Foil Faced Insulation In Attic

Whether you choose faced or unfaced insulation for the attic depends on the.

Foil faced insulation in attic.

Polyiso comes in several thicknesses and is used over house sheathing underneath siding or in attic spaces where its reflective properties are very effective. Mostly paper faced insulation is the best choice for neophytes in insulation installations. The reason why you need foil insulation when sunlight impinges directly on a metal roof it drives the temperature of the metal as high as 180 degrees fahrenheit. This is an even more dense and more expensive foam board insulation.

26 wide perforated double sided radiant barrier foil for trusses. It s important to use the right type of insulation to prevent moisture problems in your attic. Attic insulation is available with and without a paper facing. Foil faced batt insulation helps keep interior heat inside the living area when placed in the attic with the foil side down.

If additional insulation is not required the foil facing of ap foil faced foam sheathing can provide additional thermal performance to the attic by functioning as a radiant barrier. Faced insulation products not only use paper they can also use aluminum foil vinyl and even aluminum paper. The facing contains a thin layer of asphalt which acts as a vapor barrier to block moisture. In the absence of a foil.

Products 60 48 26 rolls. It provides an r value of 6 per inch of thickness and often comes foil faced to help reflect radiant heat. When to use paper faced. This also helps prevent moisture migration to the attic through the batts.

The reflective side of the board should be oriented to the interior and the nonreflective white side should be oriented to the exterior.